North Carolina was hit by two earthquakes recently, but you may not have felt them. Here's where they hit and more about quakes in the state.

Ever wanted to know more about the ground beneath your feet? Well, thanks to a new geologic map of the lower 48 states of the ...

Vol. 1-2 paged continuously. Subtitle varies. "Report on the geology of North Carolina," pts. 1-2 by D. Olmstead, pt. 3 by E. Mitchell. Binder's title: [Miscellaneous documents on agriculture in North ...